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Exchange Rate Expectations of Chartists and Fundamentalists A Service of Leibniz-Informationszentrum econstor Wirtschaft Leibniz Information Centre Make Your Publications Visible. zbw for Economics Dick, Christian D.; Menkhoff, Lukas Working Paper Exchange rate expectations of chartists and fundamentalists CESifo Working Paper, No. 4181 Provided in Cooperation with: Ifo Institute – Leibniz Institute for Economic Research at the University of Munich Suggested Citation: Dick, Christian D.; Menkhoff, Lukas (2013) : Exchange rate expectations of chartists and fundamentalists, CESifo Working Paper, No. 4181, Center for Economic Studies and ifo Institute (CESifo), Munich This Version is available at: http://hdl.handle.net/10419/71259 Standard-Nutzungsbedingungen: Terms of use: Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Documents in EconStor may be saved and copied for your Zwecken und zum Privatgebrauch gespeichert und kopiert werden. personal and scholarly purposes. Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle You are not to copy documents for public or commercial Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich purposes, to exhibit the documents publicly, to make them machen, vertreiben oder anderweitig nutzen. publicly available on the internet, or to distribute or otherwise use the documents in public. Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, If the documents have been made available under an Open gelten abweichend von diesen Nutzungsbedingungen die in der dort Content Licence (especially Creative Commons Licences), you genannten Lizenz gewährten Nutzungsrechte. may exercise further usage rights as specified in the indicated licence. www.econstor.eu Exchange Rate Expectations of Chartists and Fundamentalists Christian D. Dick Lukas Menkhoff CESIFO WORKING PAPER NO. 4181 CATEGORY 7: MONETARY POLICY AND INTERNATIONAL FINANCE APRIL 2013 An electronic version of the paper may be downloaded • from the SSRN website: www.SSRN.com • from the RePEc website: www.RePEc.org • from the CESifo website: www.CESifoT -group.org/wp T CESifo Working Paper No. 4181 Exchange Rate Expectations of Chartists and Fundamentalists Abstract This paper provides novel evidence on exchange rate expectations of both chartists and fundamentalists separately. These groups indeed form expectations differently. Chartists change their expectations more often; however, all professionals’ expectations vary considerably as they generally follow strong exchange rate trends. In line with non-linear exchange rate-modeling, professionals expect mean reversion only if exchange rates deviate strongly from PPP. Chartists survive in currency markets since they forecast just as accurately as fundamentalists. Unexpectedly from an efficient market viewpoint, chartists even outperform fundamentalists at short horizons. Overall, these findings clearly support the chartist-fundamentalist approach. JEL-Code: F310, G150, D840. Keywords: exchange rate formation, expectation formation, heterogeneous agent models, forecasting performance. Christian D. Dick Lukas Menkhoff Centre for European Economic Department of Economics Research (ZEW) Leibniz University Hannover P.O. Box 10 34 43 Königsworther Platz 1 Germany – 68034 Mannheim Germany – 30167 Hannover [email protected] [email protected] December 17, 2012 We would like to thank participants at various conferences, seminars and workshops, in particular Agnès Bénassy-Quéré, Roy Batchelor, Francis Breedon, Yin-Wong Cheung, Christoph Fricke, Oliver Gloede, Evžen Kočenda, Ian Marsh, Stefan Reitz, Jan-Christoph Rülke, Lucio Sarno, Maik Schmeling, Saskia ter Ellen, three anonymous referees and Cars Hommes, the editor, for valuable comments. The paper has partly been written during a research stay of Christian D. Dick at Cass Business School, London. 1 Introduction There is ample research on the way exchange rate expectations are formed, stimulated in particular by Frankel and Froot(1987). There is also a great number of studies systematically documenting characteristics of chartists and fundamentalists in foreign exchange, starting with Taylor and Allen (1992). However, up until now there has been no direct evidence combining these two strands of literature: How do professionals, who tell us that they are chartists or fundamentalists, each form their exchange rate expectations? This is an important question from at least three perspectives. First, the so-called chartist- fundamentalist models of exchange rates make assumptions about the behavior of these two groups (e.g., Frankel and Froot, 1990; De Grauwe and Grimaldi, 2006; Manzan and Westerhoff, 2007). We examine whether chartists and fundamentalists really behave as they are assumed to do in this line of research. Second, models of heterogeneous agents have been shown to be able to replicate the characteristics of unstable financial markets (Day and Huang, 1990; Farmer and Joshi, 2002). These models argue that instability arises from the expectation formation of a non-fundamentally- oriented group of traders, a notion which corresponds to our group of chartists. Hence, we examine whether the decision making of this group contributes to financial instability. Third, the existence of various groups in financial markets implicitly assumes that all these groups operate successfully in the long run. In this respect, the efficient market hypothesis states that chartism-inspired behavior will not be competitive in the longer run (Fama, 1991). To complement the abundance of studies testing the profitability of hypothetical chartist trading rules (e.g., Park and Irwin, 2007; Neely, Weller, and Ulrich, 2010), we examine whether actual expectations of chartists provide a basis for profitable trading strategies to the same degree as expectations of fundamentalists. All examinations presented here are the first to systematically connect information about indi- vidual exchange rate expectations with the respective professionals' preferred kind of information, i.e. charts or fundamentals. This connection enables us to directly test the real world behavior 1 of chartists and fundamentalists, and thus to complement existing indirect evidence derived from simulation studies (e.g.,F ¨ollmer, Horst, and Kirman, 2005; Tramontana, Westerhoff, and Gardini, 2010), experiments (Sonnemans, Hommes, Tuinstra, and Van De Velden, 2004) or explanations of forecast dispersion (Jongen, Verschoor, Wolff, and Zwinkels, 2012). Our findings clearly support the common core of the chartist-fundamentalist models: forecasters who rely heavily on charts do indeed form exchange rate expectations more in line with trends than fundamentalists and they reinforce existing trends, which may destabilize foreign exchange markets. Finally, challenging the efficient market hypothesis (Fama, 1991, 1998), chartist behavior is individually rational as these forecasts are at least as good as those of the peer group. This study is based on the Financial Market Survey conducted on a monthly basis by the Centre for European Economic Research (ZEW) in Mannheim, Germany, on several hundred professional forecasters. This survey regularly asks professionals about their individual US-dollar / Euro expectations, starting in January 1999. We combine these answers with information about the respective individuals' self-assessment of the use of charts and fundamentals, which has been carried out three times, in 2004, 2007 and 2011. Overall, our sample comprises almost 400 forecasters which provide an unbalanced panel with more than 30,000 observations over up to 153 months, up to and including September 2011. We classify forecasters into the categories of chartists, fundamentalists, and a third one, which we call intermediates. Our study makes use of these data in three steps, analyzing actual forecasting behavior, fore- casting dynamics and forecasting performance: (1) Regarding forecasting behavior, we test the revealed behavior of chartists and fundamentalists, as inspired by chartist-fundamentalist models. In line with earlier literature (e.g., Menkhoff and Taylor, 2007), we use the terms of charts and technical analysis as synonyms. We find that chartists tend to follow trends more often than fun- damentalists. (2) Regarding forecasting dynamics, chartists tend to revise the direction of their exchange rate forecasts more frequently than fundamentalists, confirming a standard assumption in heterogeneous agents' models (e.g., Brock and Hommes, 1998; Farmer and Joshi, 2002). The 2 choice of forecasting tools is influenced by recent experience: when exchange rates exhibit trends, the professionals (chartists and fundamentalists) tend to switch towards chartism; in contrast, the professionals move away from chartism when the exchange rate deviates substantially from its longer-term average (the purchasing power parity, PPP). (3) Regarding forecasting performance, professionals, such as chartists, will only survive in competitive foreign exchange markets if they perform well. We find that chartists are indeed equally good forecasters as fundamentalists. When differentiating between forecasting horizons, chartists perform relatively better at shorter horizons, whereas fundamentalists are at least as good at longer horizons. This fits well with the chartists' (fundamentalists') preference for short (long) horizons (Taylor and Allen, 1992). All these findings correspond to the core assumptions of chartist-fundamentalist models or with the stylized facts about expectation formation
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